are 
Former Names. 
“Present N ames. 
‘Arcyria punicea Pers. _ Areyria punicea Pers. % iat 
incarnata Pers. MA. incarnata Pers. ins 
; : 5a cinerea #7. Dan. 
Bs A, —_ cinerea Bull. { A. — digitata Schw. Rae: 7 
ieee, A. nutans Baill. A. nutans FH’, ogra 
ee A. pomiformis Roth. ya : 
~ Lachnobolus globosus Schw. A. globose Schw. set 
io. Oligonema flavida Pk. Perichena flavida Pk. oa 
BO. brevifila PA. aj " 
_ Perichzena cxspitosa Pk. Physarum ceespitosum PA, eh. 
i ou. corticalis Batsch. tes 
ae P. irregularis B. & C. pe 
ran _ Lyecogala epidendrum Bua. Lycogala epidendrum L.. aD bY 
iL. © flavo-fuscum Hhr. ea: 
Ne 
Didymium ovalinum Pk. is probably only a form of Physarum cinereum, 4 
; and is therefore omitted. Dictydiwm microcarpum received from Dr. Howe, — 
ie is Lamproderma physaroides A. & S., and Didymiwm simulans Howe, is — 
 ——- Badhamia hyalina Pers. pie 
wea Of Physarum sinuosum, two varieties have occurred ; one with the outer 
Re: walls of the sporangium ochraceous, the other, with them nearly black. 
Physarum citrinellum appears to be quite distinct from Diderma citrinum, 
to which it was referred. The following is a description of it: 
Sporangia subglobose, double-walled, the outer wall crustaceous, yellow, — 
ps the inner very delicate, whitish; stem very short, reddish; capillitium whit- 
¥s ish or slightly tinged with yellow, its knots numerous, large ; spores blackish 
in the mass, globose, minutely rough, .0004’—.0005' in diameter. np 
Be Mosses. Catskill Mountains. 5a 
The stem is so short that the sporangia appear sessile. The double-palld 
of the sporangium prevents the reference of the species to Physarum Schue- 
— macheri. : 
ee 
~ 
Fuuico VARIANS Somm/. 
The widely variant forms that are brought together under this name by . 
Dr. Rostafinski, present to the eye such diverse appearances, that it is difficult 
to believe that they should all be united. The forms with a floccose eetha- — 
__ Tium like the old &. septicum, 42. vaporarium and Af. ferrincola are 2 
; readily united, but those with a crustaceous zthalium would appear rather to | 
- — constitute another species, while the form with a naked gyrose surface seems. se 
- still more worthy of specific distinction. Aside from its external ae is 
ties, its internal structure strengthens the idea of its specific validity. — 
Nevertheless, it must be admitted that the spores are so nearly alike in all the 
Ok forms, that they do not confirm the differences exhibited externally. I am_ 
of the opinion, however, that the last-mentioned form will yet be separated 
_ from the others, and also that M'uligo ochracea does, and will equally merit — 
___ specific distinction, and for this reason I have not united it with the otheraeae t 
; Aithalium geophilum Pk. is not an AXthalium, nor even a Myxogaster. Tk Y 
is probably Hyphelia terrestris Fr. 
- Bapuamia maana Pk. (Dictydium magnum Pk.). } 
* _ Perhaps some may regard this as a form of the very variable Badhamia By 
f —utricularis. It approaches B. utricularis v. Schimperiana, butdiffers clearly ee 
in its larger size and Lee sporangia with reticulately corrugated walls. | 
